Home / 71,287-154,716

Finding the Third Proportional to 71,287 and 154,716

Calculator

Solution

The third proportional to 71,287 and 154,716 is: 335,784.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,287 : 154,716 = 154,716 : x
  2. Step 2: Convert to fraction form
    71,287/154,716 = 154,716/x
  3. Step 3: Cross multiply
    71,287x = 154,716 × 154,716
  4. Step 4: Simplify right side
    71,287x = 23,937,040,656
  5. Step 5: Solve for x
    x = 23,937,040,656/71,287
  6. Step 6: Final answer
    x = 335,784.09

Related Problems

Find third proportional to 35,643.50 and 77,358
Half scale
Find third proportional to 142,574 and 309,432
Double scale
Find third proportional to 71,289 and 154,720
Similar ratio
Find third proportional to 106,930.50 and 232,074
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.